//创建地图对象
var map=new AMap.Map("map_show",{
	//缩放
	zoom:10,
	//中心
	center: [106.09823226928711,30.797442005970364]
});
//语言设置  ['en', 'zh_en', 'zh_cn']
map.setLang("zh_en");
//创建控件对象
var scale = new AMap.Scale(),
toolBar = new AMap.ToolBar(),
overView = new AMap.OverView();

//添加控件到当前map对象
map.addControl(scale);
map.addControl(toolBar);
map.addControl(overView);